• Design, develop, and maintain backend and frontend application components supporting Data and AI use cases.
  • Maintain and evolve logical application code and APIs used by data and AI services.
  • Ensure application performance, reliability, security and scalability in production environments.
  • Participate in backlog refinement and implement development tasks aligned with product priorities.
  • Contribute to testing, debugging, and code reviews to ensure high-quality and maintainable code.
  • Maintain technical documentation for developed components and interfaces.
  • Collaborate closely with technical and product teams to align development activities with business needs.

  • Motivizer Benefits Platform to choose and manage all your benefits in one place. You receive a budget (550 PLN monthly). You can choose medical care package, meal tickets, sports cards (we have Multisport and on preferential terms, we have membership cards to one of the most popular Gyms), cinema tickets, shop vouchers, discounts and many more.
  • Language Courses – you'll have access to a multi-language learning platform enabling you to practice you language skills and learn new ones!
  • Regular and systematic further training opportunities - both internally and from external providers. We support your ongoing learning and development.
  • Cooperation within an internal community is our everyday reality. We have networking events, coding challenges, and company parties for different occasions.

  • Bachelor’s degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience).
  • 3+ years of professional experience with Python.
  • Be proficient with testing framework (pytest) and be able to ensure standard code quality thanks to quality tools integration (ruff / pyrefly).
  • Have some basic knowledge of infrastructure to communicate with devops (nice to have).
  • Practical experience with AI or machine learning projects.
  • Excellent communication in English and Polish will round off your profile.
  • Availability to work in a hybrid mode with at least 1 visit in the office per month.

 Develop yourself and the digital future – at Reply!

Reply is made up of a network of highly specialised companies, which support leading industrial groups in defining and developing business models to optimise and integrate processes, applications and devices, using new technology and communication paradigms, such as Artificial Intelligence; Big Data; Cloud Computing; Digital Communication; Internet of Things; Mobile and Social Networking.